js and ajax process the json object returned by the java background

小云云
Release: 2023-03-19 13:30:02
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This article mainly introduces the method of js+ajax processing the json object returned by the java background to create a table in a loop, involving javascript operating json objects to dynamically create tables and related skills based on ajax interaction with the background. Friends who need it can refer to it. I hope Can help everyone.


//注:LO是表格的id; 需要自己创建表头, n行,9列的表格; var tab_id; function varify(cardinno) { tab_id=document.getElementById("Layer1"); displayp(); tab_id.style.display="none"; var url="getRefInfoServlet?cardInNo="+cardinno; var myAjax=new Ajax.Request(url,{method:'post', parameters:'0', onSuccess:doOnComplete, asynchronous:true}); } var doOnComplete=function(xml_httpRequest){ var msg=eval(xml_httpRequest.responseText); var info=msg.length; var row; var col; if(info>0) { for(var i=0;i
        
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Java background storage json object:

/** * 根据卡内码得到最近的租还车记录 * 返回json对象 * @param cardInNo * @return */ public String getRefInfo(String cardInNo) { StringBuffer bf=new StringBuffer(1024); bf.append("");//sql语句 System.out.println(bf.toString()); /************ 存储json对象***************/ List jsonList=new ArrayList(); try { /****************获得判断信息存入数组中*******************/ String [][] str=getArrayByName(bf.toString()); if(str!=null){ for (int i = 0; i < str[0].length; i++) { JSONObject returnValue =new JSONObject(); returnValue.put("a", str[0][i]) .put("b", str[1][i]) .put("c", str[2][i].trim().equals("")?"":str[2][i].substring(0, 19)) .put("d", str[3][i].trim().equals("")?"":str[3][i].substring(0, 19)) .put("e", str[4][i]) .put("f", str[5][i]) .put("g", str[6][i]) .put("h", str[7][i]) .put("i", str[8][i]); jsonList.add(returnValue); } } }catch (Exception e) { e.printStackTrace(); } System.out.println(jsonList.toString()); return jsonList.toString(); }
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